Mr. Kentaro Hayashi Profile

Kentaro Hayashi

at Sony Corp.

SPIE Involvement:

Author

Publications (3)

Proceedings Article | 15 March 2023 Presentation + Paper

Highly-efficient operation and mode control in GaN-based VCSELs with a curved mirror

Tatsushi Hamaguchi, Maiko Ito, Jared Kearns, Tomohiro Makino, Kentaro Hayashi, Maho Ohara, Noriko Kobayashi, Tatsuro Jyokawa, Eiji Nakayama, Shouetsu Nagane, Koichi Sato, Yuki Nakamura, Yukio Hoshina, Yuichiro Kikuchi, Takumi Watanabe, Yuya Kanitani, Seiji Kasahara, Yoshihiro Kudo, Susumu Kusanagi, Rintaro Koda, Noriyuki Fuutagawa

Proceedings Volume 12421, 124210H (2023) https://doi.org/10.1117/12.2647047

KEYWORDS: Mirrors, Vertical cavity surface emitting lasers, Tunable filters, Electronic filtering, Optical filters, Gallium nitride, Standing waves, Fabrication, Semiconducting wafers, Emission wavelengths

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Proceedings Article | 5 March 2022 Presentation + Paper

Mode control in long cavity VCSELs with a curved mirror

Jared Kearns, Tatsushi Hamaguchi, Kentaro Hayashi, Maho Ohara, Tomohiro Makino, Maiko Ito, Noriko Kobayashi, Tatsuro Jyokawa, Eiji Nakayama, Shouetsu Nagane, Koichi Sato, Yuki Nakamura, Yukio Hoshina, Yuya Kanitani, Seiji Kasahara, Susumu Kusanagi, Yoshihiro Kudo, Rintaro Koda, Noriyuki Futagawa

Proceedings Volume 12001, 1200108 (2022) https://doi.org/10.1117/12.2606537

KEYWORDS: Mirrors, Reflectivity, Vertical cavity surface emitting lasers, Optical filters, Semiconducting wafers, Lasers, Control systems

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Proceedings Article | 1 March 2019 Presentation + Paper

Recent progress in GaN-based vertical-cavity surface-emitting lasers with lateral optical confinement due to an incorporated curved mirror

Hiroshi Nakajima, Tatsushi Hamaguchi, Masayuki Tanaka, Masamichi Ito, Tatsuro Jyokawa, Tatsuya Mato, Kentaro Hayashi, Maho Ohara, Noriko Kobayashi, Hideki Watanabe, Rintaro Koda, Katsunori Yanashima

Proceedings Volume 10918, 109181J (2019) https://doi.org/10.1117/12.2511469

KEYWORDS: Mirrors, Near field optics, Vertical cavity surface emitting lasers, Near field, Gallium nitride, Laser damage threshold, Quantum wells, Continuous wave operation, Semiconducting wafers, Laser optics

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